"Road improvement" includes construction of new roads or improvement or expansion of existing roads and related appurtenancesBut transit advocates who wrote the egregious Vinik massive 30 year $17 BILLION transit tax hike intentionally narrowed that standard definition of road improvements.
In the ballot summary language that will be on the ballot in November, they deceptively included as the very first item the massive tax would be spent on as "improve roads and bridges".